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<a name="GstDateTime"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GstDateTime.top_of_page"></a>GstDateTime</span></h2>
<p>GstDateTime — A date, time and timezone structure</p>
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<td class="gallery_image" valign="top" align="right"></td>
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<div class="refsect1">
<a name="GstDateTime.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-get-day" title="gst_date_time_get_day ()">gst_date_time_get_day</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-get-month" title="gst_date_time_get_month ()">gst_date_time_get_month</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-get-hour" title="gst_date_time_get_hour ()">gst_date_time_get_hour</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-get-microsecond" title="gst_date_time_get_microsecond ()">gst_date_time_get_microsecond</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-get-minute" title="gst_date_time_get_minute ()">gst_date_time_get_minute</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gfloat"><span class="returnvalue">gfloat</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-get-time-zone-offset" title="gst_date_time_get_time_zone_offset ()">gst_date_time_get_time_zone_offset</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-get-second" title="gst_date_time_get_second ()">gst_date_time_get_second</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-get-year" title="gst_date_time_get_year ()">gst_date_time_get_year</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-new" title="gst_date_time_new ()">gst_date_time_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-new-ymd" title="gst_date_time_new_ymd ()">gst_date_time_new_ymd</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-new-ym" title="gst_date_time_new_ym ()">gst_date_time_new_ym</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-new-y" title="gst_date_time_new_y ()">gst_date_time_new_y</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-new-from-unix-epoch-local-time" title="gst_date_time_new_from_unix_epoch_local_time ()">gst_date_time_new_from_unix_epoch_local_time</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-new-from-unix-epoch-utc" title="gst_date_time_new_from_unix_epoch_utc ()">gst_date_time_new_from_unix_epoch_utc</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-new-local-time" title="gst_date_time_new_local_time ()">gst_date_time_new_local_time</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-new-now-local-time" title="gst_date_time_new_now_local_time ()">gst_date_time_new_now_local_time</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-new-now-utc" title="gst_date_time_new_now_utc ()">gst_date_time_new_now_utc</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-ref" title="gst_date_time_ref ()">gst_date_time_ref</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-unref" title="gst_date_time_unref ()">gst_date_time_unref</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-has-day" title="gst_date_time_has_day ()">gst_date_time_has_day</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-has-month" title="gst_date_time_has_month ()">gst_date_time_has_month</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-has-second" title="gst_date_time_has_second ()">gst_date_time_has_second</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-has-time" title="gst_date_time_has_time ()">gst_date_time_has_time</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-has-year" title="gst_date_time_has_year ()">gst_date_time_has_year</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-new-from-iso8601-string" title="gst_date_time_new_from_iso8601_string ()">gst_date_time_new_from_iso8601_string</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-to-iso8601-string" title="gst_date_time_to_iso8601_string ()">gst_date_time_to_iso8601_string</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-new-from-g-date-time" title="gst_date_time_new_from_g_date_time ()">gst_date_time_new_from_g_date_time</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-GDateTime.html#GDateTime"><span class="returnvalue">GDateTime</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDateTime.html#gst-date-time-to-g-date-time" title="gst_date_time_to_g_date_time ()">gst_date_time_to_g_date_time</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstDateTime.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="GstDateTime.html#GstDateTime-struct" title="GstDateTime">GstDateTime</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="GstDateTime.html#GST-TYPE-DATE-TIME:CAPS" title="GST_TYPE_DATE_TIME">GST_TYPE_DATE_TIME</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstDateTime.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/gobject-Boxed-Types.html">GBoxed</a>
    <span class="lineart">╰──</span> GstDateTime
</pre>
</div>
<div class="refsect1">
<a name="GstDateTime.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gst/gst.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="GstDateTime.description"></a><h2>Description</h2>
<p>Struct to store date, time and timezone information altogether.
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> is refcounted and immutable.</p>
<p>Date information is handled using the proleptic Gregorian calendar.</p>
<p>Provides basic creation functions and accessor functions to its fields.</p>
</div>
<div class="refsect1">
<a name="GstDateTime.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gst-date-time-get-day"></a><h3>gst_date_time_get_day ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
gst_date_time_get_day (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<p>Returns the day of the month of this <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>.
Call <a class="link" href="GstDateTime.html#gst-date-time-has-day" title="gst_date_time_has_day ()"><code class="function">gst_date_time_has_day()</code></a> before, to avoid warnings.</p>
<div class="refsect3">
<a name="gst-date-time-get-day.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-get-day.returns"></a><h4>Returns</h4>
<p> The day of this <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-get-month"></a><h3>gst_date_time_get_month ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
gst_date_time_get_month (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<p>Returns the month of this <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>. January is 1, February is 2, etc..
Call <a class="link" href="GstDateTime.html#gst-date-time-has-month" title="gst_date_time_has_month ()"><code class="function">gst_date_time_has_month()</code></a> before, to avoid warnings.</p>
<div class="refsect3">
<a name="gst-date-time-get-month.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-get-month.returns"></a><h4>Returns</h4>
<p> The month of this <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-get-hour"></a><h3>gst_date_time_get_hour ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
gst_date_time_get_hour (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<p>Retrieves the hour of the day represented by <em class="parameter"><code>datetime</code></em>
 in the gregorian
calendar. The return is in the range of 0 to 23.
Call <a class="link" href="GstDateTime.html#gst-date-time-has-time" title="gst_date_time_has_time ()"><code class="function">gst_date_time_has_time()</code></a> before, to avoid warnings.</p>
<div class="refsect3">
<a name="gst-date-time-get-hour.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-get-hour.returns"></a><h4>Returns</h4>
<p> the hour of the day</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-get-microsecond"></a><h3>gst_date_time_get_microsecond ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
gst_date_time_get_microsecond (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<p>Retrieves the fractional part of the seconds in microseconds represented by
<em class="parameter"><code>datetime</code></em>
 in the gregorian calendar.</p>
<div class="refsect3">
<a name="gst-date-time-get-microsecond.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-get-microsecond.returns"></a><h4>Returns</h4>
<p> the microsecond of the second</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-get-minute"></a><h3>gst_date_time_get_minute ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
gst_date_time_get_minute (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<p>Retrieves the minute of the hour represented by <em class="parameter"><code>datetime</code></em>
 in the gregorian
calendar.
Call <a class="link" href="GstDateTime.html#gst-date-time-has-time" title="gst_date_time_has_time ()"><code class="function">gst_date_time_has_time()</code></a> before, to avoid warnings.</p>
<div class="refsect3">
<a name="gst-date-time-get-minute.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-get-minute.returns"></a><h4>Returns</h4>
<p> the minute of the hour</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-get-time-zone-offset"></a><h3>gst_date_time_get_time_zone_offset ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gfloat"><span class="returnvalue">gfloat</span></a>
gst_date_time_get_time_zone_offset (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<p>Retrieves the offset from UTC in hours that the timezone specified
by <em class="parameter"><code>datetime</code></em>
 represents. Timezones ahead (to the east) of UTC have positive
values, timezones before (to the west) of UTC have negative values.
If <em class="parameter"><code>datetime</code></em>
 represents UTC time, then the offset is zero.</p>
<div class="refsect3">
<a name="gst-date-time-get-time-zone-offset.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-get-time-zone-offset.returns"></a><h4>Returns</h4>
<p> the offset from UTC in hours</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-get-second"></a><h3>gst_date_time_get_second ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
gst_date_time_get_second (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<p>Retrieves the second of the minute represented by <em class="parameter"><code>datetime</code></em>
 in the gregorian
calendar.
Call <a class="link" href="GstDateTime.html#gst-date-time-has-time" title="gst_date_time_has_time ()"><code class="function">gst_date_time_has_time()</code></a> before, to avoid warnings.</p>
<div class="refsect3">
<a name="gst-date-time-get-second.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-get-second.returns"></a><h4>Returns</h4>
<p> the second represented by <em class="parameter"><code>datetime</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-get-year"></a><h3>gst_date_time_get_year ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
gst_date_time_get_year (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<p>Returns the year of this <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>
Call <a class="link" href="GstDateTime.html#gst-date-time-has-year" title="gst_date_time_has_year ()"><code class="function">gst_date_time_has_year()</code></a> before, to avoid warnings.</p>
<div class="refsect3">
<a name="gst-date-time-get-year.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-get-year.returns"></a><h4>Returns</h4>
<p> The year of this <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-new"></a><h3>gst_date_time_new ()</h3>
<pre class="programlisting"><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
gst_date_time_new (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> tzoffset</code></em>,
                   <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> year</code></em>,
                   <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> month</code></em>,
                   <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> day</code></em>,
                   <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> hour</code></em>,
                   <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> minute</code></em>,
                   <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> seconds</code></em>);</pre>
<p>Creates a new <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> using the date and times in the gregorian calendar
in the supplied timezone.</p>
<p><em class="parameter"><code>year</code></em>
 should be from 1 to 9999, <em class="parameter"><code>month</code></em>
 should be from 1 to 12, <em class="parameter"><code>day</code></em>
 from
1 to 31, <em class="parameter"><code>hour</code></em>
 from 0 to 23, <em class="parameter"><code>minutes</code></em>
 and <em class="parameter"><code>seconds</code></em>
 from 0 to 59.</p>
<p>Note that <em class="parameter"><code>tzoffset</code></em>
 is a float and was chosen so for being able to handle
some fractional timezones, while it still keeps the readability of
representing it in hours for most timezones.</p>
<p>If value is -1 then all over value will be ignored. For example
if <em class="parameter"><code>month</code></em>
 == -1, then <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> will created only for <em class="parameter"><code>year</code></em>
. If
<em class="parameter"><code>day</code></em>
 == -1, then <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> will created for <em class="parameter"><code>year</code></em>
 and <em class="parameter"><code>month</code></em>
 and
so on.</p>
<p>Free-function: gst_date_time_unref</p>
<div class="refsect3">
<a name="gst-date-time-new.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>tzoffset</p></td>
<td class="parameter_description"><p>Offset from UTC in hours.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>year</p></td>
<td class="parameter_description"><p>the gregorian year</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>month</p></td>
<td class="parameter_description"><p>the gregorian month</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>day</p></td>
<td class="parameter_description"><p>the day of the gregorian month</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>hour</p></td>
<td class="parameter_description"><p>the hour of the day</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minute</p></td>
<td class="parameter_description"><p>the minute of the hour</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>seconds</p></td>
<td class="parameter_description"><p>the second of the minute</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-new.returns"></a><h4>Returns</h4>
<p>the newly created <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-new-ymd"></a><h3>gst_date_time_new_ymd ()</h3>
<pre class="programlisting"><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
gst_date_time_new_ymd (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> year</code></em>,
                       <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> month</code></em>,
                       <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> day</code></em>);</pre>
<p>Creates a new <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> using the date and times in the gregorian calendar
in the local timezone.</p>
<p><em class="parameter"><code>year</code></em>
 should be from 1 to 9999, <em class="parameter"><code>month</code></em>
 should be from 1 to 12, <em class="parameter"><code>day</code></em>
 from
1 to 31.</p>
<p>If value is -1 then all over value will be ignored. For example
if <em class="parameter"><code>month</code></em>
 == -1, then <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> will created only for <em class="parameter"><code>year</code></em>
. If
<em class="parameter"><code>day</code></em>
 == -1, then <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> will created for <em class="parameter"><code>year</code></em>
 and <em class="parameter"><code>month</code></em>
 and
so on.</p>
<p>Free-function: gst_date_time_unref</p>
<div class="refsect3">
<a name="gst-date-time-new-ymd.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>year</p></td>
<td class="parameter_description"><p>the gregorian year</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>month</p></td>
<td class="parameter_description"><p>the gregorian month</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>day</p></td>
<td class="parameter_description"><p>the day of the gregorian month</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-new-ymd.returns"></a><h4>Returns</h4>
<p>the newly created <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-new-ym"></a><h3>gst_date_time_new_ym ()</h3>
<pre class="programlisting"><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
gst_date_time_new_ym (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> year</code></em>,
                      <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> month</code></em>);</pre>
<p>Creates a new <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> using the date and times in the gregorian calendar
in the local timezone.</p>
<p><em class="parameter"><code>year</code></em>
 should be from 1 to 9999, <em class="parameter"><code>month</code></em>
 should be from 1 to 12.</p>
<p>If value is -1 then all over value will be ignored. For example
if <em class="parameter"><code>month</code></em>
 == -1, then <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> will created only for <em class="parameter"><code>year</code></em>
.</p>
<p>Free-function: gst_date_time_unref</p>
<div class="refsect3">
<a name="gst-date-time-new-ym.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>year</p></td>
<td class="parameter_description"><p>the gregorian year</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>month</p></td>
<td class="parameter_description"><p>the gregorian month</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-new-ym.returns"></a><h4>Returns</h4>
<p>the newly created <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-new-y"></a><h3>gst_date_time_new_y ()</h3>
<pre class="programlisting"><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
gst_date_time_new_y (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> year</code></em>);</pre>
<p>Creates a new <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> using the date and times in the gregorian calendar
in the local timezone.</p>
<p><em class="parameter"><code>year</code></em>
 should be from 1 to 9999.</p>
<p>Free-function: gst_date_time_unref</p>
<div class="refsect3">
<a name="gst-date-time-new-y.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>year</p></td>
<td class="parameter_description"><p>the gregorian year</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-new-y.returns"></a><h4>Returns</h4>
<p>the newly created <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-new-from-unix-epoch-local-time"></a><h3>gst_date_time_new_from_unix_epoch_local_time ()</h3>
<pre class="programlisting"><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
gst_date_time_new_from_unix_epoch_local_time
                               (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> secs</code></em>);</pre>
<p>Creates a new <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> using the time since Jan 1, 1970 specified by
<em class="parameter"><code>secs</code></em>
. The <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> is in the local timezone.</p>
<p>Free-function: gst_date_time_unref</p>
<div class="refsect3">
<a name="gst-date-time-new-from-unix-epoch-local-time.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>secs</p></td>
<td class="parameter_description"><p>seconds from the Unix epoch</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-new-from-unix-epoch-local-time.returns"></a><h4>Returns</h4>
<p>the newly created <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-new-from-unix-epoch-utc"></a><h3>gst_date_time_new_from_unix_epoch_utc ()</h3>
<pre class="programlisting"><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
gst_date_time_new_from_unix_epoch_utc (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> secs</code></em>);</pre>
<p>Creates a new <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> using the time since Jan 1, 1970 specified by
<em class="parameter"><code>secs</code></em>
. The <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> is in the UTC timezone.</p>
<p>Free-function: gst_date_time_unref</p>
<div class="refsect3">
<a name="gst-date-time-new-from-unix-epoch-utc.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>secs</p></td>
<td class="parameter_description"><p>seconds from the Unix epoch</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-new-from-unix-epoch-utc.returns"></a><h4>Returns</h4>
<p>the newly created <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-new-local-time"></a><h3>gst_date_time_new_local_time ()</h3>
<pre class="programlisting"><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
gst_date_time_new_local_time (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> year</code></em>,
                              <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> month</code></em>,
                              <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> day</code></em>,
                              <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> hour</code></em>,
                              <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> minute</code></em>,
                              <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> seconds</code></em>);</pre>
<p>Creates a new <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> using the date and times in the gregorian calendar
in the local timezone.</p>
<p><em class="parameter"><code>year</code></em>
 should be from 1 to 9999, <em class="parameter"><code>month</code></em>
 should be from 1 to 12, <em class="parameter"><code>day</code></em>
 from
1 to 31, <em class="parameter"><code>hour</code></em>
 from 0 to 23, <em class="parameter"><code>minutes</code></em>
 and <em class="parameter"><code>seconds</code></em>
 from 0 to 59.</p>
<p>If <em class="parameter"><code>month</code></em>
 is -1, then the <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> created will only contain <em class="parameter"><code>year</code></em>
,
and all other fields will be considered not set.</p>
<p>If <em class="parameter"><code>day</code></em>
 is -1, then the <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> created will only contain <em class="parameter"><code>year</code></em>
 and
<em class="parameter"><code>month</code></em>
 and all other fields will be considered not set.</p>
<p>If <em class="parameter"><code>hour</code></em>
 is -1, then the <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> created will only contain <em class="parameter"><code>year</code></em>
 and
<em class="parameter"><code>month</code></em>
 and <em class="parameter"><code>day</code></em>
, and the time fields will be considered not set. In this
case <em class="parameter"><code>minute</code></em>
 and <em class="parameter"><code>seconds</code></em>
 should also be -1.</p>
<p>Free-function: gst_date_time_unref</p>
<div class="refsect3">
<a name="gst-date-time-new-local-time.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>year</p></td>
<td class="parameter_description"><p>the gregorian year</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>month</p></td>
<td class="parameter_description"><p>the gregorian month, or -1</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>day</p></td>
<td class="parameter_description"><p>the day of the gregorian month, or -1</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>hour</p></td>
<td class="parameter_description"><p>the hour of the day, or -1</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minute</p></td>
<td class="parameter_description"><p>the minute of the hour, or -1</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>seconds</p></td>
<td class="parameter_description"><p>the second of the minute, or -1</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-new-local-time.returns"></a><h4>Returns</h4>
<p>the newly created <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-new-now-local-time"></a><h3>gst_date_time_new_now_local_time ()</h3>
<pre class="programlisting"><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
gst_date_time_new_now_local_time (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Creates a new <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> representing the current date and time.</p>
<p>Free-function: gst_date_time_unref</p>
<div class="refsect3">
<a name="gst-date-time-new-now-local-time.returns"></a><h4>Returns</h4>
<p>the newly created <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> which should
be freed with <a class="link" href="GstDateTime.html#gst-date-time-unref" title="gst_date_time_unref ()"><code class="function">gst_date_time_unref()</code></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-new-now-utc"></a><h3>gst_date_time_new_now_utc ()</h3>
<pre class="programlisting"><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
gst_date_time_new_now_utc (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Creates a new <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> that represents the current instant at Universal
coordinated time.</p>
<p>Free-function: gst_date_time_unref</p>
<div class="refsect3">
<a name="gst-date-time-new-now-utc.returns"></a><h4>Returns</h4>
<p>the newly created <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> which should
be freed with <a class="link" href="GstDateTime.html#gst-date-time-unref" title="gst_date_time_unref ()"><code class="function">gst_date_time_unref()</code></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-ref"></a><h3>gst_date_time_ref ()</h3>
<pre class="programlisting"><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
gst_date_time_ref (<em class="parameter"><code><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<p>Atomically increments the reference count of <em class="parameter"><code>datetime</code></em>
 by one.</p>
<div class="refsect3">
<a name="gst-date-time-ref.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-ref.returns"></a><h4>Returns</h4>
<p>the reference <em class="parameter"><code>datetime</code></em>
. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-unref"></a><h3>gst_date_time_unref ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_date_time_unref (<em class="parameter"><code><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<p>Atomically decrements the reference count of <em class="parameter"><code>datetime</code></em>
 by one.  When the
reference count reaches zero, the structure is freed.</p>
<div class="refsect3">
<a name="gst-date-time-unref.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-has-day"></a><h3>gst_date_time_has_day ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_date_time_has_day (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<div class="refsect3">
<a name="gst-date-time-has-day.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-has-day.returns"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>datetime</code></em>
's day field is set, otherwise <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-has-month"></a><h3>gst_date_time_has_month ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_date_time_has_month (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<div class="refsect3">
<a name="gst-date-time-has-month.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-has-month.returns"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>datetime</code></em>
's month field is set, otherwise <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-has-second"></a><h3>gst_date_time_has_second ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_date_time_has_second (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<div class="refsect3">
<a name="gst-date-time-has-second.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-has-second.returns"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>datetime</code></em>
's second field is set, otherwise <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-has-time"></a><h3>gst_date_time_has_time ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_date_time_has_time (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<div class="refsect3">
<a name="gst-date-time-has-time.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-has-time.returns"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>datetime</code></em>
's hour and minute fields are set,
otherwise <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-has-year"></a><h3>gst_date_time_has_year ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_date_time_has_year (<em class="parameter"><code>const <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<div class="refsect3">
<a name="gst-date-time-has-year.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-has-year.returns"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>datetime</code></em>
's year field is set (which should always
be the case), otherwise <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-new-from-iso8601-string"></a><h3>gst_date_time_new_from_iso8601_string ()</h3>
<pre class="programlisting"><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
gst_date_time_new_from_iso8601_string (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *string</code></em>);</pre>
<p>Tries to parse common variants of ISO-8601 datetime strings into a
<a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>. Possible input formats are (for example):
2012-06-30T22:46:43Z, 2012, 2012-06, 2012-06-30, 2012-06-30T22:46:43-0430,
2012-06-30T22:46Z, 2012-06-30T22:46-0430, 2012-06-30 22:46,
2012-06-30 22:46:43, 2012-06-00, 2012-00-00, 2012-00-30, 22:46:43Z, 22:46Z,
22:46:43-0430, 22:46-0430, 22:46:30, 22:46
If no date is provided, it is assumed to be "today" in the timezone
provided (if any), otherwise UTC.</p>
<p>Free-function: gst_date_time_unref</p>
<div class="refsect3">
<a name="gst-date-time-new-from-iso8601-string.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>string</p></td>
<td class="parameter_description"><p>ISO 8601-formatted datetime string.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-new-from-iso8601-string.returns"></a><h4>Returns</h4>
<p>a newly created <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>,
or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> on error. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-to-iso8601-string"></a><h3>gst_date_time_to_iso8601_string ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
gst_date_time_to_iso8601_string (<em class="parameter"><code><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<p>Create a minimal string compatible with ISO-8601. Possible output formats
are (for example): 2012, 2012-06, 2012-06-23, 2012-06-23T23:30Z,
2012-06-23T23:30+0100, 2012-06-23T23:30:59Z, 2012-06-23T23:30:59+0100</p>
<div class="refsect3">
<a name="gst-date-time-to-iso8601-string.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>GstDateTime.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-to-iso8601-string.returns"></a><h4>Returns</h4>
<p>a newly allocated string formatted according
to ISO 8601 and only including the datetime fields that are
valid, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> in case there was an error. The string should
be freed with <a href="/usr/share/gtk-doc/html/glib/glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a>. </p>
<p><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-new-from-g-date-time"></a><h3>gst_date_time_new_from_g_date_time ()</h3>
<pre class="programlisting"><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="returnvalue">GstDateTime</span></a> *
gst_date_time_new_from_g_date_time (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-GDateTime.html#GDateTime"><span class="type">GDateTime</span></a> *dt</code></em>);</pre>
<p>Creates a new <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> from a <a href="/usr/share/gtk-doc/html/glib/glib-GDateTime.html#GDateTime"><span class="type">GDateTime</span></a> object.</p>
<p>Free-function: gst_date_time_unref</p>
<div class="refsect3">
<a name="gst-date-time-new-from-g-date-time.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>dt</p></td>
<td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/glib/glib-GDateTime.html#GDateTime"><span class="type">GDateTime</span></a>. The new <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> takes ownership. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-new-from-g-date-time.returns"></a><h4>Returns</h4>
<p>a newly created <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a>,
or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> on error. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-date-time-to-g-date-time"></a><h3>gst_date_time_to_g_date_time ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-GDateTime.html#GDateTime"><span class="returnvalue">GDateTime</span></a> *
gst_date_time_to_g_date_time (<em class="parameter"><code><a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> *datetime</code></em>);</pre>
<p>Creates a new <a href="/usr/share/gtk-doc/html/glib/glib-GDateTime.html#GDateTime"><span class="type">GDateTime</span></a> from a fully defined <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> object.</p>
<p>Free-function: g_date_time_unref</p>
<div class="refsect3">
<a name="gst-date-time-to-g-date-time.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>datetime</p></td>
<td class="parameter_description"><p>GstDateTime.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-date-time-to-g-date-time.returns"></a><h4>Returns</h4>
<p>a newly created <a href="/usr/share/gtk-doc/html/glib/glib-GDateTime.html#GDateTime"><span class="type">GDateTime</span></a>, or
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> on error. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
</div>
</div>
<div class="refsect1">
<a name="GstDateTime.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstDateTime-struct"></a><h3>GstDateTime</h3>
<pre class="programlisting">typedef struct _GstDateTime GstDateTime;</pre>
<p>Opaque, immutable, refcounted struct that stores date, time and timezone
information. It currently supports ranges from 0001-01-01 to
9999-12-31 in the Gregorian proleptic calendar.</p>
<p>Use the accessor functions to get the stored values.</p>
</div>
<hr>
<div class="refsect2">
<a name="GST-TYPE-DATE-TIME:CAPS"></a><h3>GST_TYPE_DATE_TIME</h3>
<pre class="programlisting">#define GST_TYPE_DATE_TIME (_gst_date_time_type)
</pre>
<p>a boxed <a href="/usr/share/gtk-doc/html/gobject/gobject-Generic-values.html#GValue-struct"><span class="type">GValue</span></a> type for <a class="link" href="GstDateTime.html" title="GstDateTime"><span class="type">GstDateTime</span></a> that represents a date and time.</p>
<div class="refsect3">
<a name="GST-TYPE-DATE-TIME.returns"></a><h4>Returns</h4>
<p> the <a href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"><span class="type">GType</span></a> of GstDateTime</p>
</div>
</div>
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